Sa5211, Philips semiconductors, Transimpedance amplifier (180 mhz) – Philips SA5211 User Manual
Page 19: Fig 14. a 50mb/s fiber optic receiver
Philips Semiconductors
SA5211
Transimpedance amplifier (180 MHz)
Product specification
Rev. 03 — 07 October 1998
19 of 28
9397 750 07427
© Philips Electronics N.V. 2001. All rights reserved.
The NE5210/NE5217 combination can operate at data rates in excess of 100 Mb/s NRZ
The capacitor C7 decreases the NE5210 bandwidth to improve overall S/N ratio in the DC-50 MHz band, but does create extra
high frequency noise on the NE5210 V
CC
pin(s).
Fig 14. A 50Mb/s fiber optic receiver.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
LED
C
PKDET
THRESH
GND
A
FLAG
JAM
V
CCD
V
CCA
GND
D
TTL
OUT
IN
1B
IN
1A
C
AZP
C
AZN
OUT
1B
IN
8B
OUT
1A
IN
8A
R
HYST
R
PKDET
NE5214
GND
GND
GND
OUT
GND
GND
OUT
V
CC
V
CC
NC
I
IN
NC
GND
GND
NE5210
R2
220
D1
LED
C9
100pF
100pF
C7
.01
µ
F
47
µ
F
C1
C2
GND
+V
CC
0.1
µ
F
R4
4k
R3
47k
V
OUT
(TTL)
L3
10
µ
H
L2
10
µ
H
C11
C10
.01
µ
F
.01
µ
F
C13
C12
10
µ
F
10
µ
F
C8
L1
10
µ
H
BPF31
OPTICAL
INPUT
R1
100
C5
1.0
µ
F
C6
.01
µ
F
.01
µ
F
C4
10
µ
F
C3
SD00330